WO2005111465A1 - Convertisseur de couple hydrodynamique - Google Patents

Convertisseur de couple hydrodynamique Download PDF

Info

Publication number
WO2005111465A1
WO2005111465A1 PCT/EP2005/005077 EP2005005077W WO2005111465A1 WO 2005111465 A1 WO2005111465 A1 WO 2005111465A1 EP 2005005077 W EP2005005077 W EP 2005005077W WO 2005111465 A1 WO2005111465 A1 WO 2005111465A1
Authority
WO
WIPO (PCT)
Prior art keywords
fastening element
hub
vibration damper
torsional vibration
hydrodynamic torque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2005/005077
Other languages
German (de)
English (en)
Inventor
Bernd Koppitz
Heinz Schultz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to JP2007512079A priority Critical patent/JP4573055B2/ja
Publication of WO2005111465A1 publication Critical patent/WO2005111465A1/fr
Priority to US11/598,544 priority patent/US20070068759A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/021—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type three chamber system, i.e. comprising a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0247—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a turbine with hydrodynamic damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0284—Multiple disk type lock-up clutch

Definitions

  • the invention relates to a hydrodynamic torque converter according to the preamble of patent claim 1.
  • Hydrodynamic torque converters according to the prior art are known, for example, from German laid-open publications DE 197 22 151 AI and DE 197 58 677 AI.
  • Such hydrodynamic torque converters have a hydraulic working medium, in particular hydraulic oil, in a working space, a driven pump wheel, a stator, a turbine wheel connected to an output shaft, a switchable lock-up clutch connecting the pump wheel and the turbine wheel with at least one associated fastening flange, one between the turbine wheel and the output shaft switched torsional vibration damper with two associated mounting flanges and a hub seated on the output shaft, wherein a mounting flange of the torsional vibration damper is fixed to the drive with a mounting flange of the converter lockup clutch and the other mounting flange is connected to the hub in a driving manner.
  • a hydraulic working medium in particular hydraulic oil
  • a disadvantage of these hydrodynamic torque converters is that a sealing of the working space by means of several sealing elements is necessary for the targeted flow guidance of the working medium.
  • These ring or disk-shaped sealing elements increase the The scope of parts of the hydrodynamic torque converter as well as the number of assembly steps, which also increases the time required for production and the production costs.
  • the invention has for its object to design a hydrodynamic torque converter so that its efficiency is increased and fewer parts are required for its manufacture.
  • a hydrodynamic torque converter is described, with a hydraulic working medium, with a driven pump wheel, a guide wheel, a turbine wheel, which is connected to an output shaft via a hub-like support and via an output hub, a switchable converter lock-up clutch connecting the pump wheel and the turbine wheel with the associated clutch
  • Fastening elements and a torsional vibration damper connected between the turbine wheel and the output shaft with a plurality of associated fastening elements, the hub-like support of the turbine wheel being fixedly connected to the output hub, a first fastening element of the torsional vibration damper being fixed to the drive with a fastening element of the converter lockup clutch and a second fastening element of the torsion damper to the torsion damper is connected and the first fastening element and the second fastening element of the torsional vibration damper are rotatably mounted to one another.
  • the assembly of the hydrodynamic torque converter is noticeably simplified because fewer parts are required and assembly steps are omitted, so that the manufacturing costs are lower.
  • the omission of additional sealing elements simplifies the centering or improves the centering of the rotating parts of the hydrodynamic torque converter.
  • the gap seals are caused by an area with a T-shaped shape in the second fastening element and an area adjacent to it with an approximately S-shaped bend in the first fastening element. Both the T-shaped shape in the second fastening element and the approximately S-shaped bend in the first fastening element for the
  • Torsional vibration dampers can be easily manufactured with little additional effort.
  • This special shape results in a double contact surface between the relevant areas of the first and the second fastening element.
  • this leads to a noticeably improved sealing effect compared to a simple contact surface, on the other hand, for example, compared to a larger contact surface, reduced and thus still lower friction due to the resulting line contact, which has a friction-minimizing effect and thus improves the efficiency.
  • At least one of the fastening elements of the torsional vibration damper can be designed as a disk-shaped fastening flange.
  • a disk-shaped fastening flange can be produced and shaped inexpensively by simple stamping from a sheet metal, numerous shapes and configurations being possible without problems.
  • An advantageous embodiment of the invention is characterized in accordance with claim 4, characterized in that the second fastening element of the torsional vibration damper (connected to a hub-like support of the turbine wheel) and the output hub are formed in one piece.
  • This measure eliminates the need for a mechanical connection, for example a riveted, screwed or welded connection, between the second fastening element of the torsional vibration damper, which is fixedly connected to the hub-like support of the turbine wheel, and the output hub, which simplifies the simple structure of the hydrodynamic Torque converter favors and what can reduce the variety of materials and assembly costs.
  • a mechanical connection for example a riveted, screwed or welded connection
  • Torsional vibration damper has a third fastening element and that this third fastening element lies sealingly on the hub-like support of the turbine wheel.
  • This simple and inexpensive to manufacture and easy to install third fastener helps to throttle secondary flows of the working medium and thereby improve the flow through the converter lock-up clutch and thereby saves additional sealing elements such as washers, sealing rings or disc springs.
  • the hub-like support of the turbine wheel has an approximately L-shaped area and that between this L-shaped area of the hub-like support of the turbine wheel and the area of the T-shaped shape of the A second sealing element of the torsional vibration damper is designed such that this sealing is caused by a labyrinth-shaped double fit between the L-shaped area of the hub-like support of the turbine wheel and the area of the T-shaped shape of the second fastening element of the torsional vibration damper.
  • This special design results in a quasi-tight seal or throttling in the axial as well as in the radial direction with a minimal contact surface and thus a targeted flow of the working medium through the converter lockup clutch for lubrication and in particular for cooling.
  • Fig. 1 is a schematic cross-sectional view of a hydrodynamic torque converter with a torsional vibration damper and a converter lockup clutch and
  • FIG. 2 shows an enlarged section of the schematic cross-sectional view of the hydrodynamic torque converter according to FIG. 1 in the area of the hub-like support of the turbine wheel and the output hub.
  • the invention is particularly suitable for a hydrodynamic torque converter for installation in the drive train of a motor vehicle.
  • the torque converter 1 shows a schematic cross-sectional view of a hydrodynamic torque converter 1.
  • the torque converter 1 has a pump wheel 2, a turbine wheel 3, a stator 4 and a housing 5.
  • the pump wheel 2 is driven by a drive shaft 6 connected to a drive motor (not shown), the housing 5 being connected to both the drive shaft 6 and the pump wheel 2 in a drive-proof manner.
  • the stator 4 is connected via a stator carrier 31 to a one-way clutch 32 seated on an output shaft 18.
  • the stator support 31 is sealed and centered with respect to the housing 5 by a sealing element 34 and has a cover plate 39 for sealing against the working medium.
  • the one-way clutch 32 is sealed and centered with respect to a hub-like support 28 for the turbine wheel 3 by a sealing element 35.
  • the hydraulic working circuit can be bridged by a switchable converter lock-up clutch 7 connecting the pump wheel 2 and the turbine wheel 3 with associated fastening elements 8, 9 (inner disk carrier 8 with associated fastening flange and outer disk carrier 9 with associated fastening flange), by filling a pressure chamber 10 with hydraulic oil, thereby opening up a radial piston 11 seated on a hub 36 is pressurized and consequently inner plates 12 and outer plates 13 of the converter lockup clutch 7 are pressed together.
  • Inner disk carrier 8, outer disk carrier 9, inner disks 12 and outer disks have openings, not shown here, in a known manner, so that the working medium can flow through the converter lockup clutch 7 for lubrication and in particular for cooling.
  • a known one is located between the turbine wheel 3 and the output shaft 18
  • Torsional vibration damper 14 connected as a spring-mass system with an associated (outer) first fastening element 15, an associated (middle) second fastening element 16 and an associated (outer) third fastening element 17.
  • the fastening elements 15, 16 and 17 are disk-shaped fastening flanges, the (outer) first fastening element 15 and the (outer) third fastening element 17 of the torsional vibration damper 14 being rotatably mounted to the (middle) second fastening element 16 against the force of prestressed springs 27 are.
  • the (middle) second fastening element 16 is expediently formed in one piece with an output hub 19 fixedly attached to the output shaft 18 and has openings 20 in the vicinity of the output hub 19 through which the working medium flows.
  • the first fastening element 15 is fixedly connected to the fastening element 8 (inner disk carrier) of the converter lockup clutch 7.
  • the (outer) third fastening element 17 of the torsional vibration damper 14 is connected in a drive-proof manner to the hub-like support 28 for the turbine wheel 3 and lies against it in a sealing manner.
  • the hub-like support 28 is in turn connected to the driven hub 19 in a drive-proof manner, for example by means of a toothing.
  • the turbine wheel 3 is also connected to the driven hub 19 in a drive-fixed manner via this hub-like support 28.
  • the output hub 19 is sealed off from the hub 36 by a sealing element 37.
  • the second fastening element 16 of the torsional vibration damper 14 has a T-shaped shape 22.
  • the hub-like support 28 for the turbine wheel 3 has a step-shaped region 29;
  • a seal 30 is arranged between this step-shaped area 29 and the area 21 of the T-shaped shape 22 of the second fastening element 16 of the torsional vibration damper 14.
  • This seal 30 is formed by a labyrinth-shaped double fit between the step-shaped area 29 of the hub-like support 28 for the turbine wheel 3 and the area 21 of the T-shaped shape 22 of the second fastening element 16 of the torsional vibration damper 14.
  • the stepped region 29 of the hub-like support 28 has an extension 40 which is approximately rectangular in cross section. Between this extension 40 and the cover plate 39 of the stator support 31 a gap seal 41 is formed as a further sealing element, which serves to throttle disturbing secondary flows of the working medium, as well other measures already described.
  • the hub-like support 28 for the turbine wheel 3 also has openings 33 for the working medium to flow through.
  • FIG. 2 the area from FIG. 1 of the hub-like support 28 of the turbine wheel 3 and of the output hub 19 is shown in detail and enlarged.
  • a dashed line 38 is intended to indicate the desired flow of the working medium through the converter bridging clutch 7, the openings 20 and the openings 33, which is brought about by the measures described, the direction of flow of the working medium being possible and conceivable in one and / or other direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

L'invention concerne un convertisseur de couple hydrodynamique comportant un embrayage de pontage et un amortisseur de vibrations de torsion. Dans les convertisseurs de couple hydrodynamique connus, on utilise, pour rendre étanche la chambre de travail ou pour obtenir un guidage ciblé de l'écoulement du fluide de travail, des éléments d'étanchéité tels que des rondelles, des bagues d'étanchéité ou des rondelles-ressorts. Cela a pour résultat une augmentation du nombre de pièces, du nombre des étapes de montage et donc des coûts de production et du temps de montage. Il est donc proposé, selon l'invention, de restreindre les flux secondaires, non désirés, du fluide de travail, en particulier dans la zone du moyeu de sortie, par des mises en forme et des agencements appropriés (formes en T, S, double ajustement, garniture en labyrinthe) d'éléments de fixation, cela pour que le fluide de travail soit conduit de façon ciblée, pour la lubrification et en particulier le refroidissement, à travers l'embrayage de pontage. Un tel convertisseur de couple hydrodynamique est destiné à être monté dans l'ensemble transmission d'une véhicule automobile.
PCT/EP2005/005077 2004-05-14 2005-05-11 Convertisseur de couple hydrodynamique Ceased WO2005111465A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007512079A JP4573055B2 (ja) 2004-05-14 2005-05-11 流体トルクコンバータ
US11/598,544 US20070068759A1 (en) 2004-05-14 2006-11-13 Hydrodynamic torque converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004024004.3A DE102004024004B4 (de) 2004-05-14 2004-05-14 Hydrodynamischer Drehmomentwandler
DE102004024004.3 2004-05-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/598,544 Continuation-In-Part US20070068759A1 (en) 2004-05-14 2006-11-13 Hydrodynamic torque converter

Publications (1)

Publication Number Publication Date
WO2005111465A1 true WO2005111465A1 (fr) 2005-11-24

Family

ID=34967224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/005077 Ceased WO2005111465A1 (fr) 2004-05-14 2005-05-11 Convertisseur de couple hydrodynamique

Country Status (4)

Country Link
US (1) US20070068759A1 (fr)
JP (1) JP4573055B2 (fr)
DE (1) DE102004024004B4 (fr)
WO (1) WO2005111465A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007124720A1 (fr) * 2006-05-01 2007-11-08 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Plaque d'entraînement et joint pour convertisseur de couple
CN104948602A (zh) * 2015-06-30 2015-09-30 贵州华阳电工有限公司 可调节摩擦离合器
FR3034478A1 (fr) * 2015-03-30 2016-10-07 Valeo Embrayages Dispositif de transmission de couple pour un vehicule automobile
CN106427530A (zh) * 2015-08-13 2017-02-22 Zf腓特烈斯哈芬股份公司 用于混合动力车辆的传动系的驱动模块

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006009987A1 (de) † 2006-03-03 2007-09-06 Zf Friedrichshafen Ag Hydrodynamische Kopplungsvorrichtung
DE102006019782A1 (de) * 2006-04-28 2007-10-31 Daimlerchrysler Ag Hydrodynamisches Anfahrelement für ein Kraftfahrzeug
DE102006028771A1 (de) * 2006-06-23 2008-01-03 Daimlerchrysler Ag Hydrodynamischer Drehmomentwandler und Verfahren zur Herstellung eines solchen
US9303744B2 (en) * 2010-05-25 2016-04-05 Zf Friedrichshafen Ag Torsional vibration damping arrangement
DE102011102821B4 (de) * 2010-06-17 2019-05-23 Schaeffler Technologies AG & Co. KG Drehmomentübertragungsvorrichtung
NO334554B1 (no) * 2011-06-01 2014-04-07 Vetco Gray Scandinavia As Undersjøisk kompresjonssystem for trykkøkning av brønnstrøm
KR101339234B1 (ko) * 2011-12-09 2013-12-09 현대자동차 주식회사 댐퍼 클러치 제어 방법
WO2015065918A1 (fr) * 2013-10-29 2015-05-07 Schaeffler Technologies Gmbh & Co. Kg Plaque de protection scellée à un ensemble stator
US10451158B2 (en) * 2017-11-06 2019-10-22 Schaeffler Technologies AG & Co. KG Torque converter configured for cross-flow to pressure chambers
JP7321426B2 (ja) * 2019-11-18 2023-08-07 マツダ株式会社 動力伝達装置
US12422030B1 (en) * 2024-08-20 2025-09-23 Schaeffler Technologies AG & Co. KG Turbine hub of a torque converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722151A1 (de) 1996-05-29 1997-12-04 Exedy Corp Drehmomentwandler mit Überbrückungskupplung
US6079529A (en) * 1998-03-23 2000-06-27 Mannesmann Sachs Ag Torque converter
US20010050204A1 (en) * 2000-06-07 2001-12-13 Mannesmann Sachs Ag Hydrodynamic clutch device
DE19758677C2 (de) 1996-05-29 2003-02-13 Exedy Corp Drehmomentwandler mit Überbrückungskupplung

Family Cites Families (11)

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FR2683011B1 (fr) * 1991-10-25 1993-12-10 Valeo Dispositif amortisseur de torsion pour appareil de transmission de couple.
DE4420934B4 (de) * 1993-06-19 2004-11-04 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Drehmomentübertragungseinrichtung
DE19724973C1 (de) * 1997-06-13 1998-10-15 Daimler Benz Ag Anordnung einer 2-Wege-Torsionsdämpfereinheit und einer Kupplung in einem hydrodynamischen Drehmomentwandler
DE19917893B4 (de) * 1999-04-20 2009-08-27 Zf Sachs Ag Kupplungseinrichtung, insbesondere Anfahrelement, mit einstellbarer Kupplungskühlung für hohe Verlustleistung
DE10000899A1 (de) * 2000-01-12 2001-07-19 Mannesmann Sachs Ag Drehschwingungsdämpfer
DE10131093A1 (de) * 2001-06-27 2003-01-09 Zf Sachs Ag Überbrückungskupplung für einen hydrodynamischen Drehmomentwandler
DE10212281B4 (de) * 2002-03-20 2011-12-22 Zf Sachs Ag Hydrodynamische Kopplungseinrichtung
FR2839128B1 (fr) * 2002-04-30 2004-10-22 Valeo Appareil d'accouplement hydrocinetique, notamment pour vehicule automobile
DE10231608A1 (de) * 2002-07-12 2004-01-29 Daimlerchrysler Ag Hydrodynamischer Drehmomentwandler mit einem Leitrad und Herstellungsverfahren für ein solches
FR2843433B1 (fr) * 2002-08-06 2005-04-01 Valeo Embrayages Appareil d'accouplement hydrocinetique, notamment pour un vehicule automobile
DE10350935B4 (de) * 2002-11-16 2019-02-21 Schaeffler Technologies AG & Co. KG Drehmomentwandler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722151A1 (de) 1996-05-29 1997-12-04 Exedy Corp Drehmomentwandler mit Überbrückungskupplung
DE19758677C2 (de) 1996-05-29 2003-02-13 Exedy Corp Drehmomentwandler mit Überbrückungskupplung
US6079529A (en) * 1998-03-23 2000-06-27 Mannesmann Sachs Ag Torque converter
US20010050204A1 (en) * 2000-06-07 2001-12-13 Mannesmann Sachs Ag Hydrodynamic clutch device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007124720A1 (fr) * 2006-05-01 2007-11-08 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Plaque d'entraînement et joint pour convertisseur de couple
FR3034478A1 (fr) * 2015-03-30 2016-10-07 Valeo Embrayages Dispositif de transmission de couple pour un vehicule automobile
CN104948602A (zh) * 2015-06-30 2015-09-30 贵州华阳电工有限公司 可调节摩擦离合器
CN106427530A (zh) * 2015-08-13 2017-02-22 Zf腓特烈斯哈芬股份公司 用于混合动力车辆的传动系的驱动模块

Also Published As

Publication number Publication date
JP4573055B2 (ja) 2010-11-04
DE102004024004B4 (de) 2017-01-26
DE102004024004A1 (de) 2005-12-01
JP2007537406A (ja) 2007-12-20
US20070068759A1 (en) 2007-03-29

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